65211056721622 has 48 divisors (see below), whose sum is σ = 113856932648448. Its totient is φ = 27930334266240.

The previous prime is 65211056721611. The next prime is 65211056721661. The reversal of 65211056721622 is 22612765011256.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2479777578 + ... + 2479803874.

It is an arithmetic number, because the mean of its divisors is an integer number (2372019430176).

Almost surely, 2^{65211056721622} is an apocalyptic number.

65211056721622 is a deficient number, since it is larger than the sum of its proper divisors (48645875926826).

65211056721622 is a wasteful number, since it uses less digits than its factorization.

65211056721622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40981 (or 40974 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 65211056721622 in words is "sixty-five trillion, two hundred eleven billion, fifty-six million, seven hundred twenty-one thousand, six hundred twenty-two".